SORPS HVAC Engineering Suite

HVAC Sizing & Selection Software

Access our specialized suite of thermodynamic calculators, psychrometric analyzers, and system selection tools designed for professional HVAC engineers and system installers.

Free Tool

Psychrometric Tool

Calculate ambient air properties, dew point, humidity ratio, and enthalpy. Plot process paths on interactive psychrometric charts to analyze moisture removal.

Key Sizing Capabilities

  • Interactive dew point & absolute humidity calculations
  • Air mixture process state plotting
  • Atmospheric pressure compensation
  • In-browser real-time calculations
Login required

Desiccant Dehumidifier

Calculate the moisture load of a room or process and select the right SORPS desiccant dehumidifier, with ready reports for every unit.

Key Sizing Capabilities

  • Moisture load from room, people, doors, openings and fresh air
  • Dehumidifier model selection with airflow (CFM)
  • Multi-unit projects with unique reference numbers
  • PDF reports and Excel equipment schedules
Login required

Desiccant Rotor

Select a desiccant rotor by diameter and face velocity and see its process outlet, moisture removal, regeneration heat and pressure drop.

Key Sizing Capabilities

  • Rotor diameter and face velocity
  • Process outlet condition and moisture removed
  • Regeneration airflow, heater kW and outlet temperature
  • Process and regeneration pressure drop, PDF report
Login required

Heat Recovery Wheel

Select sensible and enthalpy heat recovery wheels for winter and summer conditions, using ASHRAE design conditions for your city.

Key Sizing Capabilities

  • Sensible and sorption (enthalpy) wheels
  • Winter and summer performance
  • ASHRAE design conditions by country and city
  • PDF selection report
On request

Other HVAC Tools

Duct sizing, air change rates (ACH), cleanroom ventilation and unit conversions. Our engineers size these for you while the online tools are being built.

Key Sizing Capabilities

  • CFM / CMH airflow conversions
  • Cleanroom ACH & fresh air loads
  • Duct sizing & velocity
  • Refrigeration dehumidifier and ERV selection

Need a Custom HVAC Design Sizing?

Our local engineering team can perform custom psychrometric sizing, indoor air design calculations, and cleanroom assessments directly for your site.